1# Copyright (c) 2012 Mark D. Hill and David A. Wood
2# Copyright (c) 2015 The University of Wisconsin
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;

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37 abstract = True
38
39 numThreads = Param.Unsigned(1, "Number of threads")
40 BTBEntries = Param.Unsigned(4096, "Number of BTB entries")
41 BTBTagSize = Param.Unsigned(16, "Size of the BTB tags, in bits")
42 RASSize = Param.Unsigned(16, "RAS size")
43 instShiftAmt = Param.Unsigned(2, "Number of bits to shift instructions by")
44
45
46class LocalBP(BranchPredictor):
47 type = 'LocalBP'
48 cxx_class = 'LocalBP'
49 cxx_header = "cpu/pred/2bit_local.hh"
50
51 localPredictorSize = Param.Unsigned(2048, "Size of local predictor")
52 localCtrBits = Param.Unsigned(2, "Bits per counter")
53

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